From owner-freebsd-hackers Mon Nov 13 15:02:36 1995 Return-Path: owner-hackers Received: (from root@localhost) by freefall.freebsd.org (8.6.12/8.6.6) id PAA04821 for hackers-outgoing; Mon, 13 Nov 1995 15:02:36 -0800 Received: from labinfo.iet.unipi.it (labinfo.iet.unipi.it [131.114.9.5]) by freefall.freebsd.org (8.6.12/8.6.6) with ESMTP id PAA04806 for ; Mon, 13 Nov 1995 15:02:26 -0800 Received: from localhost (luigi@localhost) by labinfo.iet.unipi.it (8.6.5/8.6.5) id AAA01380; Tue, 14 Nov 1995 00:02:08 +0100 From: Luigi Rizzo Message-Id: <199511132302.AAA01380@labinfo.iet.unipi.it> Subject: Re: TIME_WAIT and linear chain of TCPCBs (was: ...beat a WEB server to death) To: davidg@Root.COM Date: Tue, 14 Nov 1995 00:02:08 +0100 (MET) Cc: hackers@freebsd.org In-Reply-To: <199511132037.MAA04226@corbin.Root.COM> from "David Greenman" at Nov 13, 95 12:37:34 pm X-Mailer: ELM [version 2.4 PL23] Content-Type: text Content-Length: 894 Sender: owner-hackers@freebsd.org Precedence: bulk > In several cases the timers were not properly implemented in 4.4BSD, > causing certain connections to never timeout. This has been fixed recently > in FreeBSD. TIME_WAIT waits can still be a problem on busy servers, however. especially because they do not derive from a bug but from a feature :) > >* TCPCB caching > > I implemented PCB hashing in FreeBSD. This was done prior to FreeBSD 2.0.5 > so it was in that release and will be in 2.1 and later releases. good to know. Thanks Luigi ==================================================================== Luigi Rizzo Dip. di Ingegneria dell'Informazione email: luigi@iet.unipi.it Universita' di Pisa tel: +39-50-568533 via Diotisalvi 2, 56126 PISA (Italy) fax: +39-50-568522 http://www.iet.unipi.it/~luigi/ ====================================================================